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boards: arduino: gpio: Extend Nano 33 IoT with Arduino Nano header

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Add GPIO mapping for Arduino Nano connector on the Nano 33 IoT board
from Arduino.

Signed-off-by: Marco Peter <marco.peter@joylab.ch>
This commit is contained in:
Marco Peter 2022-01-21 14:59:39 +01:00 • committed by Marti Bolivar
commit dbd4d74bde
2 changed files with 40 additions and 0 deletions
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1
boards/arm/arduino_nano_33_iot/arduino_nano_33_iot.dts
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@ -7,6 +7,7 @@
/dts-v1/;
#include <atmel/samd21.dtsi>
#include "arduino_nano_33_iot-pinctrl.dtsi"
#include "arduino_nano_r3_connector.dtsi"
/ {
model = "Arduino Nano 33 IOT";

39
boards/arm/arduino_nano_33_iot/arduino_nano_r3_connector.dtsi Normal file
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@ -0,0 +1,39 @@
/*
* Copyright (c) 2022 Joylab AG
* SPDX-License-Identifier: Apache-2.0
*/
/ {
arduino_nano_header: connector {
compatible = "arduino-nano-header-r3";
#gpio-cells = <2>;
gpio-map-mask = <0xffffffff 0xffffffc0>;
gpio-map-pass-thru = <0 0x3f>;
gpio-map = <0 0 &portb 23 0>, /* D0 / UART-RX */
<1 0 &portb 22 0>, /* D1 / UART-TX */
<2 0 &portb 10 0>, /* D2 */
<3 0 &portb 11 0>, /* D3 */
<4 0 &porta 7 0>, /* D4 */
<5 0 &porta 5 0>, /* D5 */
<6 0 &porta 4 0>, /* D6 */
<7 0 &porta 6 0>, /* D7 */
<8 0 &porta 18 0>, /* D8 */
<9 0 &porta 20 0>, /* D9 */
<10 0 &porta 21 0>, /* D10 */
<11 0 &porta 16 0>, /* D11 / SPI-MOSI */
<12 0 &porta 19 0>, /* D12 / SPI-MISO */
<13 0 &porta 17 0>, /* D13 / SPI-SCK */
<14 0 &porta 2 0>, /* D14 / A0 */
<15 0 &portb 2 0>, /* D15 / A1 */
<16 0 &porta 11 0>, /* D16 / A2 */
<17 0 &porta 10 0>, /* D17 / A3 */
<18 0 &portb 8 0>, /* D18 / A4 / I2C-SDA */
<19 0 &portb 9 0>, /* D19 / A5 / I2C-SCL */
<20 0 &porta 9 0>, /* D20 / A6 */
<21 0 &portb 3 0>; /* D21 / A7 */
};
};
arduino_nano_i2c: &sercom4 {};
arduino_nano_spi: &sercom1 {};
arduino_nano_serial: &sercom5 {};